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305461 (2008 DT23)
Classification: Main-belt Asteroid          SPK-ID: 2305461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03863092290911621 5.8721e-08  
a 3.116958851764571 3.9108e-08 au
q 2.996547854651166 1.8387e-07 au
i 11.69642672207769 6.853e-06 deg
node 169.6601141556331 3.826e-05 deg
peri 318.6918414021585 0.00011265 deg
M 113.3274569042391 0.0001054 deg
tp 2458367.756528605239
(2018-Sep-06.25652861)
0.0005881 TDB
period 2009.995246735247
5.50
3.7829e-05
1.036e-07
d
yr
n .1791049011607034 3.3708e-09 deg/d
Q 3.237369848877975 4.0619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1999-08-17  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:56  

Additional Information
 Earth MOID = 2.01877 au 
 Jupiter MOID = 1.76831 au 
 T_jup = 3.184 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO433968  

305461 (2008 DT23)          Discovered 2008-Feb-24 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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